package com.zzyl.nursing.service.impl;

import java.time.LocalDateTime;
import java.util.List;

import cn.hutool.core.util.ObjectUtil;
import com.alibaba.fastjson2.JSON;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.zzyl.common.exception.base.BaseException;
import com.zzyl.nursing.domain.*;
import com.zzyl.nursing.dto.CheckInApplyDto;
import com.zzyl.nursing.dto.CheckInElderDto;
import com.zzyl.nursing.mapper.*;
import com.zzyl.nursing.util.CodeGenerator;
import com.zzyl.nursing.util.IDCardUtils;
import com.zzyl.nursing.vo.CheckInConfigVo;
import com.zzyl.nursing.vo.CheckInDetailVo;
import com.zzyl.nursing.vo.CheckInElderVo;
import com.zzyl.nursing.vo.ElderFamilyVo;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.zzyl.nursing.service.ICheckInService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.springframework.transaction.annotation.Transactional;
import cn.hutool.core.bean.BeanUtil;




import java.util.Arrays;

/**
 * 入住Service业务层处理
 *
 * @author ruoyi
 * @date 2025-07-25
 */
@Service
public class CheckInServiceImpl extends ServiceImpl<CheckInMapper, CheckIn> implements ICheckInService {
    @Autowired
    private CheckInMapper checkInMapper;

    @Autowired
    private ElderMapper elderMapper;

    @Autowired
    private BedMapper bedMapper;

    @Autowired
    private CheckInConfigMapper checkInConfigMapper;

    @Autowired
    private ContractMapper contractMapper;


    /**
     * 查询入住
     *
     * @param id 入住主键
     * @return 入住
     */
    @Override
    public CheckIn selectCheckInById(Long id) {
        return getById(id);
    }

    /**
     * 查询入住列表
     *
     * @param checkIn 入住
     * @return 入住
     */
    @Override
    public List<CheckIn> selectCheckInList(CheckIn checkIn) {
        return checkInMapper.selectCheckInList(checkIn);
    }

    /**
     * 新增入住
     *
     * @param checkIn 入住
     * @return 结果
     */
    @Override
    public int insertCheckIn(CheckIn checkIn) {
        return save(checkIn) ? 1 : 0;
    }

    /**
     * 修改入住
     *
     * @param checkIn 入住
     * @return 结果
     */
    @Override
    public int updateCheckIn(CheckIn checkIn) {
        return updateById(checkIn) ? 1 : 0;
    }

    /**
     * 批量删除入住
     *
     * @param ids 需要删除的入住主键
     * @return 结果
     */
    @Override
    public int deleteCheckInByIds(Long[] ids) {
        return removeByIds(Arrays.asList(ids)) ? 1 : 0;
    }

    /**
     * 删除入住信息
     *
     * @param id 入住主键
     * @return 结果
     */
    @Override
    public int deleteCheckInById(Long id) {
        return removeById(id) ? 1 : 0;
    }

    /**
     * 入住申请
     *
     * @param dto 前端传入的所有参数
     */
    @Transactional
    @Override
    public void apply(CheckInApplyDto dto) {
        // 1.校验老人是否已入住
        LambdaQueryWrapper<Elder> elderQueryWrapper = new LambdaQueryWrapper<>();
        elderQueryWrapper.eq(Elder::getIdCardNo, dto.getCheckInElderDto().getIdCardNo());
        elderQueryWrapper.eq(Elder::getStatus, 1);
        Elder elder = elderMapper.selectOne(elderQueryWrapper);
        if (ObjectUtil.isNotEmpty(elder)) {
            throw new BaseException("该老人已入住");
        }
        // 2.更新床位的状态
        Bed bed = bedMapper.selectById(dto.getCheckInConfigDto().getBedId());
        bed.setBedStatus(1);
        bedMapper.updateById(bed);

        // 3.新增或更新老人elder
        elder = insertOrUpdateElder(dto.getCheckInElderDto(), bed);
        // 4.新增合同信息
        String contractNo = "HT" + CodeGenerator.generateContractNumber();
        instertContract(contractNo, elder, dto);
        // 5.新增入住信息
        CheckIn checkIn = insertCheckIn(dto, elder);
        // 6.新增入住配置
        insertCheckInConfig(dto, checkIn);
    }

    /**
     * 获取入住详情
     *
     * @param id 入住ID
     * @return 入住详情
     */
    @Override
    public CheckInDetailVo detail(Long id) {
        CheckInDetailVo vo = new CheckInDetailVo();
        // 1.入住信息
        CheckIn checkIn = checkInMapper.selectCheckInById(id);
        Long elderId = checkIn.getElderId();

        // 2.老人的信息
        Elder elder = elderMapper.selectElderById(elderId);

        if (elder != null) {
//            int age = LocalDateTime.now().getYear() - Integer.parseInt(elder.getIdCardNo().substring(6, 10));
            int age = IDCardUtils.getAgeFromIDCard(elder.getIdCardNo());
            CheckInElderVo checkInElderVo = new CheckInElderVo();
            BeanUtils.copyProperties(elder, checkInElderVo);
            checkInElderVo.setAge(age);
            vo.setCheckInElderVo(checkInElderVo);
        }

        // 3.入住配置信息
        LambdaQueryWrapper<CheckInConfig> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(CheckInConfig::getCheckInId, checkIn.getId());
        CheckInConfig checkInConfig = checkInConfigMapper.selectOne(queryWrapper);
        CheckInConfigVo checkInConfigVo = BeanUtil.toBean(checkInConfig, CheckInConfigVo.class);
        checkInConfigVo.setBedNumber(checkIn.getBedNumber());
        checkInConfigVo.setStartDate(checkIn.getStartDate());
        checkInConfigVo.setEndDate(checkIn.getEndDate());
        vo.setCheckInConfigVo(checkInConfigVo);

        // 4.老人家属信息
        String familyInfo = checkIn.getRemark();
        vo.setElderFamilyVoList(JSON.parseArray(familyInfo, ElderFamilyVo.class));

        // 5.合同信息
        LambdaQueryWrapper<Contract> contractQueryWrapper = new LambdaQueryWrapper<>();
        contractQueryWrapper.eq(Contract::getElderId, elderId);
        Contract contract = contractMapper.selectOne(contractQueryWrapper);
        vo.setContract(contract);

        return vo;
    }

    /**
     * 新增入住配置
     *
     * @param dto
     * @param checkIn
     */
    private void insertCheckInConfig(CheckInApplyDto dto, CheckIn checkIn) {
        CheckInConfig checkInConfig = new CheckInConfig();
        BeanUtils.copyProperties(dto.getCheckInConfigDto(), checkInConfig);
        checkInConfig.setCheckInId(checkIn.getId());
        checkInConfigMapper.insertCheckInConfig(checkInConfig);
    }

    /**
     * 新增入住信息
     *
     * @param dto
     * @param elder
     * @return
     */
    private CheckIn insertCheckIn(CheckInApplyDto dto, Elder elder) {
        CheckIn checkIn = new CheckIn();

        checkIn.setElderName(elder.getName());
        checkIn.setElderId(elder.getId());
        checkIn.setIdCardNo(elder.getIdCardNo());
        checkIn.setStartDate(dto.getCheckInConfigDto().getStartDate());
        checkIn.setEndDate(dto.getCheckInConfigDto().getEndDate());
        checkIn.setNursingLevelName(dto.getCheckInConfigDto().getNursingLevelName());
        checkIn.setBedNumber(elder.getBedNumber());
        checkIn.setStatus(0);
        // 保存老人的家属列表
        String json = JSON.toJSONString(dto.getElderFamilyDtoList());
        checkIn.setRemark(json);
        // 保存
        save(checkIn);
        return checkIn;
    }


    /**
     * 新增合同信息
     *
     * @param contractNo
     * @param elder
     * @param dto
     */
    private void instertContract(String contractNo, Elder elder, CheckInApplyDto dto) {
        // 属性拷贝
        Contract contract = new Contract();
        BeanUtils.copyProperties(dto.getCheckInContractDto(), contract);
        contract.setContractNumber(contractNo);
        contract.setElderId(elder.getId());
        contract.setElderName(elder.getName());
        LocalDateTime startDate = dto.getCheckInConfigDto().getStartDate();
        LocalDateTime endDate = dto.getCheckInConfigDto().getEndDate();

        // 使用入住开始日期作为合同开始日期
        contract.setStartDate(startDate);

        // 设置状态 使用当前时间来做判断
        Integer status = startDate.isBefore(LocalDateTime.now()) ? 1 : 0;
        contract.setStatus(status);
        contract.setSignDate(startDate);
        contract.setEndDate(endDate);
        contractMapper.insert(contract);
    }

    /**
     * 新增或更新老人信息
     *
     * @param checkInElderDto
     * @param bed
     */
    private Elder insertOrUpdateElder(CheckInElderDto checkInElderDto, Bed bed) {
        // 属性拷贝
        Elder elder = new Elder();
        BeanUtils.copyProperties(checkInElderDto, elder);
        elder.setStatus(1);
        elder.setBedId(bed.getId());
        elder.setBedNumber(bed.getBedNumber());
        // 查询老人是否存在
        LambdaQueryWrapper<Elder> elderQueryWrapper = new LambdaQueryWrapper<>();
        elderQueryWrapper.eq(Elder::getIdCardNo, checkInElderDto.getIdCardNo());
        elderQueryWrapper.eq(Elder::getStatus, 0);
        Elder elderDb = elderMapper.selectOne(elderQueryWrapper);

        if (ObjectUtil.isNotEmpty(elderDb)) {
            elder.setId(elderDb.getId());
            // 更新
            elderMapper.updateById(elder);
        } else {
            // 新增
            elderMapper.insert(elder);
        }

        return elder;
    }

}
